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Instant Pot Cauliflower Soup is a low carb, easy and tasty dinner for those chilly nights ahead! Grab your preferred appliance, some bacon (yum!), and this comforting recipe.
Instant Pot Cauliflower Soup
The recipe for cauliflower soup I had been using up to that point is one I inherited from my Mom and it is supposed to be chunky. So one day earlier this week, I tried to create a non-chunky, extra velvety Instant Pot Cauliflower Soup! I also have slow cooker directions for those of you who want that!
Main Ingredients Needed
You guys, I think I might like this creamy Instant Pot version better. The half & half, bacon and cheese might have something to do with it though. Don’t be alarmed, though! Yes, those are high-calorie ingredients, but considering how much soup this makes when you break it down per serving, it’s really not terrible. At least that’s what I keep telling myself.
So here’s what else you need to make this incredible Instant Pot Cauliflower Soup:
- Butter, Onion, and Garlic – these three are the perfect soup base!
- Flour – flour is used to make a roux and to later thicken the soup. If you are looking for a gluten-free option use cornstarch, just note that you won’t need as much cornstarch to thicken as you would need flour.
- Chicken Stock – this thins out the roux and makes things soupy without detracting from the taste.
- Cauliflower – be sure to remove the leaves!
- Bay Leaves, Thyme, Salt, and Pepper – all the seasonings you are going to need to create this comforting soup. Feel free to adjust as needed.
- Half & Half – to create a creamy thick texture! If you are wanting an even thicker soup, use heavy cream.
- Toppings – I like to top my soup with cheese, bacon, and parsley but there are more ideas listed below.
How to make Cauliflower Soup in the Instant Pot
Of course, you could make this on the stovetop with no Instant Pot, but if you are busy and have the time in the morning or mid-afternoon to get this cooking ahead of time, I’d recommend doing that. My kids are always extra whiney around 5 pm, so any time I don’t have to spend cooking is appreciated. For full details, see the recipe card down below.
- In an Instant Pot, melt butter on saute mode. Sauté onion until brown. Add in garlic and cook. Sprinkle with some flour, stir and cook briefly.
- Whisk in chicken stock to pressure cooker and then stir in cauliflower pieces, bay leaves, salt, pepper, and thyme. Cover and pressure cook for 5-6 minutes. Quick-release the steam once it’s done cooking.
- Remove bay leaves from the pressure cooker. Blend soup with an immersion blender. The soup should thicken up once blended, but still, be on the thinner side.
- Measure half and half into a microwave-safe large bowl or larger glass liquid measuring cup. Whisk in remaining flour until smooth. Slowly whisk in a couple of cups of hot soup to the half and half. Microwave, whisking every 30 seconds. This mixture should become very thick. Pour into the pressure cooker and whisk to combine to create a creamy, thick soup.
- Taste and adjust seasonings. Serve with desired toppings.
Slow Cooker directions are in the recipe card down below!
Soup Toppings
As stated above, I like to make a loaded cauliflower soup by piling bacon, cheese, and parsley on top. However, this Instant Pot Cauliflower Soup recipe is the perfect base for a lot of different toppings. Here are a couple of ideas:
- Chives or Green Onions
- Steamed Broccoli
- Sour Cream
- Parmesan Cheese
- Pesto
- Chopped Chicken
- Mushrooms
More Soup Recipes to Make!
- Classic Chicken Noodle Soup
- Creamy Carrot Soup
- Broccoli Cheese Soup
- Hamburger Soup
- Crockpot Chicken Tortilla Soup
Bookmark or print this Instant Pot recipe!! You never know when it might save you on a chilly fall school night 🙂
Have a wonderful day, friends!!
Instant Pot Cauliflower Soup
Ingredients
- 1/4 cup salted butter
- 1 large yellow onion diced
- 3 cloves garlic minced
- 1/2 cup all purpose flour divided
- 8 cups chicken stock or vegetable broth
- 1 large head cauliflower cut into large chunks, leaves removed
- 2 bay leaves
- salt & pepper to taste
- 1/2 teaspoon thyme thyme leaves, not ground thyme
- 1 cup half & half
optional toppings:
- cheddar cheese grated
- bacon cooked and crumbled
- and/or parsley
Instructions
Slow Cooker Directions
- In a medium skillet, melt butter over medium heat. Sauté onion until brown. Add in garlic and cook another minute until fragrant. Sprinkle with 1/4 cup flour and stir to moisten the flour and cook briefly. Pour onion mixture into the bottom of a crockpot.
- Whisk in chicken stock to crockpot and then stir in cauliflower pieces, bay leaves, salt, pepper and thyme. Cover and cook on high 3-4 hours or until fragrant and cauliflower is very tender.
- Remove bay leaves from crockpot. Blend soup in a high powered blender until very smooth. Soup should thicken up once blended, but still be on the thinner side.
- Measure half and half into a microwave-safe large bowl or larger glass liquid measuring cup. Whisk in remaining 1/4 cup flour until smooth. Slowly whisk in 3 cups of hot soup to the half and half. Microwave for 3 minutes, whisking every 30 seconds. This mixture should become very thick. Pour into crockpot and whisk to combine to create a creamy, thick soup. Taste and adjust seasonings. Serve with cheese, bacon and parsley.
Instant Pot Directions
- In an Instant Pot, melt butter on saute mode. Sauté onion until brown. Add in garlic and cook. Sprinkle 1/4 cup flour to moisten the flour and cook briefly.
- Whisk in chicken stock to pressure cooker and then stir in cauliflower pieces, bay leaves, salt, pepper, and thyme. Cover and pressure cook for 5-6 minutes. Quick-release the steam once it’s done cooking.
- Remove bay leaves from the pressure cooker. Blend soup with an immersion blender. The soup should thicken up once blended, but still, be on the thinner side.
- Measure half and half into a microwave-safe large bowl or larger glass liquid measuring cup. Whisk in remaining 1/4 cup flour until smooth. Slowly whisk in a couple of cups of hot soup to the half and half. Microwave 3 minutes, whisking every 30 seconds. This mixture should become very thick. Pour into the pressure cooker and whisk to combine to create a creamy, thick soup.
- Taste and adjust seasonings. Serve with desired toppings.
This looks amazing!
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I would love to try this because it looks so filling and warm on a winter evening.
Soup season is just around the corner and I couldn’t be happier to add this one to my rotation. It looks delish! Thank you for all your wonderful recipes on this site😁
I can’t wait to try, but when you use the flour, it really shoot up the carbs.
I’d love to make this in the instant pot to speed things up, any chance you’ve tried that? Wondering how long I would pressure cook it for? Thanks, love your recipes!!!
I have been eyeing this for a while. I keep waiting for the weather in AZ to cool down so I can make it! Looks delicious!
I can’t wait to make this, I love cauliflower soup and I especially love using my crockpot! Thanks for the great recipes!
Yum! Can’t wait to try this!
I Hi – I am commenting for the 11/22 giveway 🙂 I made this soup last weekend. I doubled the recipe with the intent of freezing it, but it never made it to the freezer. We loved it – even my kids. I made it with your biscuit recipe. Happy Thanksgiving!!
I’ve been craving baked potato soup (but dreading the calories!) – this solves my problem and looks delicious – can’t wait to try it!
Lauren, what could I use instead of flour?
Try only a few tablespoons of cornstarch. You definitely won’t need the full 1/2 cup.
surprised to not see the trinity of cooking in this recipe. Cant wait to try this today.
Excited to try this – LOVE crockpot recipes if you have any more up your sleeve! 🙂